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Top Forums Shell Programming and Scripting [Solved] Sorting a column in a file based on a column in a second file Post 302744535 by Don Cragun on Friday 14th of December 2012 11:47:18 AM
Old 12-14-2012
The code provided by in2nix4life is much better, but here is a corrected version of what Homa was trying to do:
Code:
awk -F ' ' -v OFS=' ' 'FNR == NR { o[$1] = NR;next }
{ $1 = o[$1]" "$1;print }' File1 File2 | sort -nk1,1 | cut -d' ' -f2- > File3

with the important changes being:
  1. Add a space between -v and OFS. (This is required by awk on OS X; other implementations of awk may work with or without this space.)
  2. Add an n to the sort key. (This is only required if File1 contains more than nine lines.)
  3. Add a - to the end of the cut field list.
Hopefully, seeing the changes will help Homa understand what went wrong.
This User Gave Thanks to Don Cragun For This Post:
 

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DPKG-AWK(1)						      General Commands Manual						       DPKG-AWK(1)

NAME
dpkg-awk - Utility to read a dpkg style db file SYNOPSIS
dpkg-awk [(-f|--file) filename] [(-d|--debug) ##] [(-s|--sort) list] [(-rs|--rec_sep) ??] '<fieldname>:<regex>' ... -- <out_fieldname> .. DESCRIPTION
dpkg-awk Parses a dpkg status file (or other similarly formatted file) and outputs the resulting records. It can use regex on the field values to limit the returned records, it can also be told which fields to output, and it can sort the matched fields. OPTIONS
-f filename --file filename The file to parse. The default is /var/lib/dpkg/status. -d [#] --debug [#] Each time this is specified, it increased the debug level. -s field(s) --sort field(s) A space or comma separated list of fields to sort on. -n field(s) --numeric field(s) A space or comma separated list of fields that should be interpreted as numeric in value. -rs ?? --rec_sep ?? Output this string at the end of each output paragraph. -h --help Display some help. fieldname The fields from the file, that are matched with the regex given. The fieldnames are case insensitive. out_fieldname The fields from the file, that are output for each record. If the first field listed begins with ^, then the list of fields that follows will NOT be output. BUGS
Be warned that the author has only a shallow understanding of the dpkg packaging system, so there are probably tons of bugs in this pro- gram. This program comes with no warranties. If running this program causes fire and brimstone to rain down upon the earth, you will be on your own. This program accesses the dpkg database directly in places, querying for data that cannot be gotten via dpkg. AUTHOR
Adam Heath <doogie@debian.org> DEBIAN
Debian Utilities DPKG-AWK(1)
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